Fix workflow client close

[CasperGN]

Description

Corresponding with #889

Issue reference

We strive to have all PR being opened based on an issue, where the problem or feature have been discussed prior to implementation.

Please reference the issue this PR will close: N/A

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Extended the documentation

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (release-1.17@7c43a26). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
...workflow/dapr/ext/workflow/dapr_workflow_client.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##             release-1.17     #891   +/-   ##
===============================================
  Coverage                ?   87.01%           
===============================================
  Files                   ?      103           
  Lines                   ?     6900           
  Branches                ?        0           
===============================================
  Hits                    ?     6004           
  Misses                  ?      896           
  Partials                ?        0           

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